CN115138952B

CN115138952B - Plasma spray welding device

Info

Publication number: CN115138952B
Application number: CN202211063131.5A
Authority: CN
Inventors: 戈剑鸣
Original assignee: Ori Mould Technology Suzhou Co ltd
Current assignee: Ori Mould Technology Suzhou Co ltd
Priority date: 2022-09-01
Filing date: 2022-09-01
Publication date: 2022-12-09
Anticipated expiration: 2042-09-01
Also published as: CN115138952A

Abstract

The invention relates to the technical field of welding accessories, in particular to a plasma spray welding device which is simple in structure, adopts single power to enable a spray gun to move along a volute line track, carries out all-dimensional spray welding on a turtle-cover-shaped disc plate, improves the spray welding efficiency and reduces the cost; the method comprises the following steps: the spray gun comprises a vertical plate with a fixed position, a spray gun moving along the guide hole and a spray gun moving along the thickness direction of the vertical plate, wherein the vertical plate is provided with a guide hole in a vortex line shape; the device also comprises a clamp for clamping the turtle-cover-shaped disc; the spray gun also comprises a concave plate, a groove matched with the convex surface of the turtle-cap-shaped dish plate is formed in the concave plate, and the distance between the spray gun and the turtle-cap-shaped dish plate is controlled by the concave plate.

Description

Plasma spray welding device

Technical Field

The invention relates to the technical field of welding accessories, in particular to a plasma spray welding device.

Background

Plasma spray welding: the spray welding gun firstly ignites a non-transferred arc between the cathode and the front gun body, then a transferred arc between the cathode and the workpiece is ignited by utilizing plasma jet with good conductivity generated by the non-transferred arc, after the transferred arc is established, powder is sent to the spray gun by the powder-carrying gas, and the powder falls into a molten pool on the workpiece after being heated by flame flow to form an alloy spray welding layer.

The application numbers are: 201921306196.1, a plasma butterfly valve spray welding equipment is provided, belong to the welding equipment field, it sets up on spray welding group frame to wrap welder, spray welding group frame sets up in disc the place ahead, the dish board is installed on the disc through adorning the fixture block, the disc is kept away from the one end of dish board and is installed on the runner assembly, runner assembly drive disc carries out the rotation, the runner assembly sets up on swing assembly, swing assembly includes first motor, sector gear and first pivot, sector gear installs in first pivot one end, first pivot both ends set up on the second support frame, and rotate with the second support frame and be connected, sector gear rotates through the first pivot of first motor drive, the connecting plate is installed to first pivot intermediate position, the runner assembly sets up on the connecting plate, the connecting plate rotates as the center through first motor drive disc. The utility model discloses realize around welder, control, upper and lower three-dimensional removal, realize the upset of the rotatory and certain angle of dish board, full automatic control through the disc.

The above-described device has the following disadvantages: the spray gun is required to be controlled to move in the three directions of the XYZ axes, so that the welding gun can spray-weld different positions of the turtle-cover-shaped dish plate, the mode is high in cost, complex control procedures are required, the spray-welding efficiency of the turtle-cover-shaped dish plate is seriously restricted, and the labor intensity of operators is increased.

Disclosure of Invention

In order to solve the technical problems, the invention provides a plasma spray welding device which is simple in structure, adopts single power to enable a spray gun to move along a volute line track, carries out all-dimensional spray welding on a turtle-cover-shaped disc plate, improves the spray welding efficiency and reduces the cost.

The invention provides a plasma spray welding device, comprising: the spray gun comprises a vertical plate with a fixed position, a spray gun moving along the guide hole and a spray gun moving along the thickness direction of the vertical plate, wherein the vertical plate is provided with a spiral guide hole;

the device also comprises a clamp for clamping the turtle-cover-shaped disc;

the spray gun also comprises a concave plate, a groove matched with the convex surface of the turtle-cap-shaped dish plate is formed in the concave plate, and the distance between the spray gun and the turtle-cap-shaped dish plate is controlled by the concave plate.

Furthermore, a support shaft is rotatably arranged in the middle of the vertical plate, one end of the support shaft is provided with a motor, and the other end of the support shaft is fixedly provided with a driving arm;

a guide shaft is arranged in the guide hole in a sliding manner, a long hole is formed in the driving arm, and the guide shaft penetrates through the long hole;

a sliding shaft is arranged in the guide shaft in a sliding manner, a support ring is fixed on the sliding shaft, a spring is sleeved on the sliding shaft, and two ends of the spring are respectively in contact with the end faces of the support ring and the guide shaft;

the spheroid with the contact of recess inner wall is installed to the one end of sliding shaft, and the adaptation piece is installed to the sliding shaft other end, the spray gun is installed on the adaptation piece.

Furthermore, a first rail is fixed on the vertical plate, a first sliding block slides on the first rail, a second sliding block slides on the first sliding block, and the adapting block slides on the second sliding block.

Furthermore, the device also comprises a first moving mechanism, and the concave plate is arranged on an output end of the moving mechanism.

Furthermore, the fixture further comprises a second moving mechanism, and the fixture is arranged at the output end of the second moving mechanism;

the second moving mechanism comprises a second track with a fixed position, a third sliding block slides on the second track, supports are fixed on two sides of the third sliding block, a first air cylinder is fixed on each support, and a first clamping plate is fixed at the output end of each air cylinder;

the clamp also comprises a second clamping plate fixed on the third sliding block.

Furthermore, both sides of the guide shaft are fixed with limiting rings, a plurality of rolling balls are rotatably arranged on the limiting rings, and the rolling balls are in contact with the vertical plate.

Further, the ball is mounted on the sliding shaft by a screw thread.

Furthermore, the lifting device further comprises a bottom plate, and the vertical plate, the first moving mechanism and the second moving mechanism are all fixed on the bottom plate.

Compared with the prior art, the invention has the beneficial effects that: during normal use, fix tortoise lid type dish board on anchor clamps, tortoise lid type dish board and concave plate are in the both sides of riser respectively, make the spray gun remove along the guiding hole that is the vortex line, at the removal in-process, under the effect of the recess of concave plate, distance between spray gun and the tortoise lid type dish board remains the unanimity throughout, the spray gun carries out spray-welding to tortoise lid type dish board, the back that the welding finishes, close the spray gun, pull down tortoise lid type dish board can, for prior art, be through the guiding hole that is the vortex threadiness that sets up, make the spray gun remove along the guiding hole, can cover the most area of tortoise lid type dish board except that the anchor clamps centre gripping, need not complicated program control, the cost is lower.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a top right front perspective view of FIG. 1;

FIG. 3 is a top perspective view of the left front side of FIG. 1;

FIG. 4 is an exploded view of a portion of the components of FIG. 2;

FIG. 5 is an enlarged view of a portion A of FIG. 1;

FIG. 6 is a schematic diagram of the left side view of FIG. 4;

FIG. 7 is a partial enlarged view of portion B of FIG. 6;

fig. 8 is a side view of a riser, guide hole, wire, sliding shaft, guide shaft, etc.;

FIG. 9 is a side view of the riser, guide holes, sliding shaft and guide shaft;

in the drawings, the reference numbers: 1. a vertical plate; 2. a guide hole; 3. a spray gun; 4. a turtle-cap-shaped dish plate; 5. a concave plate; 6. a groove; 7. a support shaft; 8. a motor; 9. a wire; 10. a drive arm; 11. a guide shaft; 12. a sliding shaft; 13. a support ring; 14. a spring; 15. a sphere; 16. an adaptation block; 17. a first track; 18. a first sliding block; 19. a second sliding block; 20. a screw rod; 21. a slide plate; 22. an optical axis; 23. a second track; 24. a third sliding block; 25. a first cylinder; 26. a first clamping plate; 27. a second clamping plate; 28. a second air cylinder; 29. a limiting ring; 30. rolling a ball; 31. a base plate.

Detailed Description

The following detailed description of the present invention is provided in connection with the accompanying drawings and examples. The following examples are intended to illustrate the invention but are not intended to limit the scope of the invention.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted" and "connected" are to be interpreted broadly, e.g., as being either fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

As shown in fig. 1 to 9, a plasma spray welding apparatus of the present invention includes: the vertical plate 1 is fixed in position, a spiral guide hole 2 is formed in the vertical plate 1, the spray gun 3 moving along the guide hole 2 is further included, the spray gun 3 moves along the guide hole 2 during spray welding, and the guide hole 2 is spiral, so that the spray welding area is increased for improving the spray welding quality, the welding range of the spray gun 3 is large, the welding ranges are overlapped in the process that the spray gun 3 gradually moves towards the center of the vertical plate 1, and the condition of welding leakage is prevented;

the spray gun 3 can move along the thickness direction of the vertical plate 1;

the device also comprises a clamp for clamping the turtle-cover type dish plate 4;

the concave plate 5 is provided with a groove 6 matched with the convex surface of the tortoise-cover type dish plate 4, and when the tortoise-cover type dish plate 4 is attached to the concave plate 5, the surface of the concave surface of the tortoise-cover type dish plate 4 can be attached to the surface of the inner wall of the groove 6;

the distance between the spray gun 3 and the turtle-cover-shaped disc plate 4 is controlled by the concave plate 5;

in this embodiment, during normal use, as shown in fig. 1 to fig. 3, the turtle-lid-shaped plate 4 is fixed on the fixture, the turtle-lid-shaped plate 4 and the concave plate 5 are respectively located at two sides of the vertical plate 1, so that the spray gun 3 moves along the guide hole 2 which is a vortex line, during the moving process, under the effect of the groove 6 of the concave plate 5, the distance between the spray gun 3 and the turtle-lid-shaped plate 4 is always kept consistent, the spray gun 3 performs spray welding on the turtle-lid-shaped plate 4, after the welding is completed, the spray gun 3 is closed, and the turtle-lid-shaped plate 4 is detached.

As a preferable mode of the above embodiment, as shown in fig. 5 to 9, a support shaft 7 is rotatably mounted on the middle part of the vertical plate 1, a motor 8 is provided at one end of the support shaft 7, the motor 8 is fixed on the vertical plate 1, in order to prevent the wire 9 for supplying power to the motor 8 from obstructing the movement of the guide shaft 11, the wire 9 is fixed on the vertical plate 1 by a clip, and the wire 9 is also in a spiral shape;

a driving arm 10 is fixed at the other end of the supporting shaft 7;

a guide shaft 11 is arranged in the guide hole 2 in a sliding manner, a strip hole is formed in the driving arm 10, and the guide shaft 11 penetrates through the strip hole;

a sliding shaft 12 is arranged in the guide shaft 11 in a sliding manner, a supporting ring 13 is fixed on the sliding shaft 12, a spring 14 is sleeved on the sliding shaft 12, and two ends of the spring 14 are respectively contacted with the supporting ring 13 and the end face of the guide shaft 11;

one end of the sliding shaft 12 is provided with a ball 15 which is contacted with the inner wall of the groove 6, the other end of the sliding shaft 12 is provided with an adaptation block 16, and the spray gun 3 is arranged on the adaptation block 16;

in the embodiment, during normal use, the motor 8 is started to move the spray gun 3 along the guide hole 2 in a vortex line shape;

the motor 8 is started to enable the supporting shaft 7 and the driving arm 10 to rotate by taking the supporting shaft 7 as an axis, the guide shaft 11 penetrates through the long hole on the driving arm 10, so that the guide shaft 11, the sliding shaft 12, the supporting ring 13, the spring 14, the adapting block 16, the sphere 15, the spray gun 3 and the like move along the guide hole 2, the spray gun 3, the sliding shaft 12, the supporting ring 13, the sphere 15 and the like all move in the thickness direction of the vertical plate 1 under the action of the groove 6 and the spring 14 in the moving process of the sphere 15, and the relative position between the sliding shaft 12 and the guide shaft 11 is changed, so that the spray gun 3 and the turtle-cover-shaped disc plate 4 are always kept at a constant distance, and a good spray welding effect is kept.

As a preferable scheme of the above embodiment, as shown in fig. 4 to 5, a first rail 17 is fixed on the riser 1, a first slider 18 slides on the first rail 17, a second slider 19 slides on the first slider 18, and the adaptive block 16 slides on the second slider 19;

in the embodiment, since the spray gun 3 is displaced in the XYZ axes during the movement of the spray gun 3 along the guide hole 2, in order to improve the movement stability of the spray gun 3, the first rail 17, the first slider 18, the second slider 19 and the adaptive block 16 are provided, so that the movement of the spray gun 3 in all directions is more stable.

As a preferable scheme of the above embodiment, as shown in fig. 3, the device further comprises a first moving mechanism, wherein the concave plate 5 is installed on an output end of the first moving mechanism;

the first moving mechanism comprises a self-rotating screw rod 20, a sliding plate 21 is connected to the screw rod 20 in a threaded manner, the concave plate 5 is fixed on the sliding plate 21, and the first moving mechanism also comprises an optical axis 22 which is fixed in position and is in sliding fit with the sliding plate 21;

in this embodiment, the first moving mechanism is provided to adjust the distance between the concave plate 5 and the vertical plate 1, so that the user can more conveniently perform maintenance on the sliding shaft 12, the guide shaft 11, the ball 15, the spring 14, and the like.

As a preferable scheme of the above embodiment, as shown in fig. 2, the device further comprises a second moving mechanism, wherein the clamp is mounted on the output end of the second moving mechanism;

the second moving mechanism comprises a second fixed-position track 23, a third sliding block 24 slides on the second track 23, supports are fixed on two sides of the third sliding block 24, a first air cylinder 25 is fixed on each support, and a first clamping plate 26 is fixed at the output end of the first air cylinder 25;

the clamp also comprises a second clamping plate 27 fixed on the third sliding block 24;

in the embodiment, the third slide block 24 controls the position through the second fixed air cylinder 28, and the positions of the clamp and the turtle-cover-shaped disc plate 4 are adjusted by controlling the extension and retraction of the piston rod of the second fixed air cylinder 28, so that the spray gun 3 is easier to maintain;

when the clamp is used, firstly, the second clamping plate 27 is placed on the first tortoise-cover-shaped saucer plate 4, the second clamping plate 27 is provided with a notch for inserting the bottom end of the second tortoise-cover-shaped saucer plate 4, then the first operating cylinder 25 enables the first clamping plates 26 to clamp the second tortoise-cover-shaped saucer plate 4, the first clamping plates 26 are provided with notches for inserting the end parts of the first tortoise-cover-shaped saucer plate 4, and the first clamping plates 26 and the second clamping plates 27 clamp the second tortoise-cover-shaped saucer plate 4 together.

As a preferable scheme of the above embodiment, as shown in fig. 1, both sides of the guide shaft 11 are fixed with limiting rings 29, a plurality of rolling balls 30 are rotatably mounted on the limiting rings 29, and the rolling balls 30 are in contact with the vertical plate 1;

in this embodiment, the limiting rings 29 are respectively located on two sides of the vertical plate 1, when the guide shaft 11 moves, the rolling balls 30 roll, so that the friction force between the rolling balls and the vertical plate 1 is reduced, and meanwhile, the guide shaft 11 is limited, so that the guide shaft 11 is prevented from being displaced in the thickness direction of the vertical plate 1 when moving.

As a preferable aspect of the above embodiment, the ball 15 is mounted on the sliding shaft 12 by a screw;

in this embodiment, the ball 15 is mounted on the sliding shaft 12 by a screw thread, so that the ball 15 can be more easily attached and detached.

As a preferable scheme of the above embodiment, the device further comprises a bottom plate 31, wherein the vertical plate 1, the first moving mechanism and the second moving mechanism are fixed on the bottom plate 31;

in this embodiment, the vertical plate 1, the second rail 23, the second cylinder 28 and the like are all fixed on the bottom plate 31, so that the structure of the device is more stable.

The above description is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, several modifications and variations can be made without departing from the technical principle of the present invention, and these modifications and variations should also be regarded as the protection scope of the present invention.

Claims

1. A plasma spray welding apparatus, comprising: the spray gun device comprises a vertical plate (1) with a fixed position, wherein a spiral linear guide hole (2) is formed in the vertical plate (1), the spray gun device also comprises a spray gun (3) moving along the guide hole (2), and the spray gun (3) can move along the thickness direction of the vertical plate (1);

the device also comprises a clamp for clamping the turtle-cover-shaped dish plate (4);

the spray gun also comprises a concave plate (5), wherein a groove (6) matched with the convex surface of the turtle-cover-shaped disc plate (4) is formed in the concave plate (5), and the distance between the spray gun (3) and the turtle-cover-shaped disc plate (4) is controlled by the concave plate (5);

a support shaft (7) is rotatably arranged in the middle of the vertical plate (1), one end of the support shaft (7) is provided with a motor (8), and the other end is fixed with a driving arm (10);

a guide shaft (11) is arranged in the guide hole (2) in a sliding manner, a long hole is formed in the driving arm (10), and the guide shaft (11) penetrates through the long hole;

a sliding shaft (12) is arranged in the guide shaft (11) in a sliding manner, a supporting ring (13) is fixed on the sliding shaft (12), a spring (14) is sleeved on the sliding shaft (12), and two ends of the spring (14) are respectively contacted with the supporting ring (13) and the end face of the guide shaft (11);

a ball body (15) in contact with the inner wall of the groove (6) is installed at one end of the sliding shaft (12), an adaptation block (16) is installed at the other end of the sliding shaft (12), and the spray gun (3) is installed on the adaptation block (16).

2. A plasma spray welding device according to claim 1, characterized in that a first rail (17) is fixed on the vertical plate (1), a first slide block (18) is slid on the first rail (17), a second slide block (19) is slid on the first slide block (18), and the adaptive block (16) is slid on the second slide block (19).

3. A plasma spray welding apparatus according to claim 2, further comprising a first moving mechanism, the concave plate (5) being mounted on an output end of the moving mechanism.

4. The plasma spray welding apparatus of claim 3, further comprising a second moving mechanism, wherein the jig is mounted on an output end of the second moving mechanism;

the second moving mechanism comprises a second track (23) with a fixed position, a third sliding block (24) slides on the second track (23), supports are fixed on two sides of the third sliding block (24), a first air cylinder (25) is fixed on each support, and a first clamping plate (26) is fixed at the output end of the first air cylinder (25);

the clamp also comprises a second clamping plate (27) fixed on the third sliding block (24).

5. A plasma spray welding device according to claim 4, characterized in that, a limiting ring (29) is fixed on both sides of the guiding shaft (11), a plurality of rolling balls (30) are rotatably mounted on the limiting ring (29), and the rolling balls (30) are contacted with the vertical plate (1).

6. A plasma spray welding device according to claim 5, characterized in that said ball (15) is screw-mounted on the sliding shaft (12).

7. A plasma spray welding device according to claim 6, further comprising a base plate (31), wherein said vertical plate (1), said first moving means and said second moving means are fixed to said base plate (31).